Loose Fill InsulationIt is a much cleaner and more convenient product to use and, in material such as vermiculite, is completely natural and environmentally friendly. Whereas traditional material such as a fibreglass blanket is supplied in rolls loose fill comes in bags or sacks which are simply emptied and raked into the gaps between the joists and the ceiling / loft floor. Laying Loose Fill Insulation Although the material is simply poured between the joists in the roof space there are a few important points to note.
In a similar vain it the gaps between the ends of the joists under the eaves must be sealed. Simply screwing a piece of plywood between each pair of joists (take care to leave a gap behind the board for ventilation) should be more that sufficient. Before laying the material make sure that the space between the joists is relatively dust-free and that the depth of the joists will be sufficient to hold the amount of loose fill insulation necessary to give an acceptable level of insulation. As most joists have a depth of four inches or so it will be necessary to raise the height of the joists by adding wooden strips along its length. It is important that electrical cables are kept above the insulation so they may need to be re-routed by an electrician. Actually laying the material is simplicity itself. Simply pour out of the bag and brush or rake between the joists ensuring the fill is kept consistently level. For the loft hatch it is best to use blanket material contained either by plastic or an old sheet. If you are simply insulating the loft and not putting any boarding over the loose fill insulation, make sure you keep a check on the level of the material during the winter months as high winds can unsettle the material and blow it around the roof space. Related Articles An Overview Of Loft Insulation
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